Files
oops-plugin-framework/assets/libs/animator-move/MoveTo.ts
dgflash b552447c73 1、兼容cc3.7.0
2、重构TimerManager时间管理模块
2023-01-19 15:12:59 +08:00

116 lines
3.5 KiB
TypeScript

/*
* @Author: dgflash
* @Date: 2022-03-25 18:12:10
* @LastEditors: dgflash
* @LastEditTime: 2023-01-19 14:59:50
*/
import { Component, Node, Vec3, _decorator } from "cc";
import { Timer } from "../../core/common/timer/Timer";
import { Vec3Util } from "../../core/utils/Vec3Util";
const { ccclass, property } = _decorator;
/** 移动到指定目标位置 */
@ccclass('MoveTo')
export class MoveTo extends Component {
/** 目标位置 */
target: Vec3 | Node | null = null;
/** 移动方向 */
velocity: Vec3 = Vec3Util.zero;
/** 移动速度(每秒移动的像素距离) */
speed: number = 0;
/** 是否计算将 Y 轴带入计算 */
hasYAxis: boolean = true;
/** 坐标标(默认本地坐标) */
ns: number = Node.NodeSpace.LOCAL;
/** 偏移距离 */
offset: number = 0;
/** 偏移向量 */
offsetVector: Vec3 | null = null;
/** 移动开始 */
onStart: Function | null = null;
/** 移动完成回调 */
onComplete: Function | null = null;
/** 距离变化时 */
onChange: Function | null = null;
/** 延时触发器 */
private timer: Timer = new Timer();
/** 终点备份 */
private end: Vec3 | null = null;
update(dt: number) {
let end: Vec3;
console.assert(this.speed > 0, "移动速度必须要大于零");
if (this.target instanceof Node) {
end = this.ns == Node.NodeSpace.WORLD ? this.target.worldPosition : this.target.position;
}
else {
end = this.target as Vec3;
}
// 移动目标节点被释放时
if (end == null) {
this.exit();
return;
}
// 目标移动后,重计算移动方向与移动到目标点的速度
if (this.end == null || !this.end.strictEquals(end)) {
let target = end.clone();
if (this.offsetVector) {
target = target.add(this.offsetVector);
}
if (this.hasYAxis == false) target.y = 0;
// 移动方向与移动数度
let start = this.ns == Node.NodeSpace.WORLD ? this.node.worldPosition : this.node.position;
this.velocity = Vec3Util.sub(target, start).normalize();
// 移动时间与目标偏位置计算
let distance = Vec3.distance(start, target) - this.offset;
// 目标位置修改事件
this.onChange?.call(this);
if (distance <= 0) {
this.exit();
return;
}
else {
this.onStart?.call(this);
this.timer.step = distance / this.speed;
this.end = end.clone();
}
}
if (this.speed > 0) {
let trans = Vec3Util.mul(this.velocity, this.speed * dt);
if (this.ns == Node.NodeSpace.WORLD)
this.node.worldPosition = Vec3Util.add(this.node.worldPosition, trans);
else
this.node.position = Vec3Util.add(this.node.position, trans);
}
// 移动完成事件
if (this.timer.update(dt)) {
if (this.offset == 0) {
if (this.ns == Node.NodeSpace.WORLD)
this.node.worldPosition = this.end;
else
this.node.position = this.end;
}
this.exit();
}
}
private exit() {
this.onComplete?.call(this);
this.destroy();
}
}